Bather with a Griffon Dog is an 1870 oil-on-canvas painting by French artist Pierre-Auguste Renoir.

The painting features his lover and model Lise Tréhot (1848-1922).

[1] The work was exhibited at the 1870 Salon.

The painting is held in the collection of the São Paulo Museum of Art.

[2] This article about a nineteenth-century painting is a stub.